Versions/OI-241659

Update Information
Enjoy the weekend, everyone! :)
 * Fix for a significant memory leak
 * Further memory and performance optimizations.
 * Updated splash screen
 * Updated Power Shutoff artwork
 * Reworded temperature-based pipe damage to be less confusing
 * Fixed a crash in the Build tool
 * Doors can no longer be built overlapping Heavi Watt tiles
 * Generators begin the game at 50% battery refill threshold once again